Pest and Diseases Archives - Page 7 of 18

Wireworms have a distinctive form (Supplied by Denis Crawford of Graphic Science)

Environment & Sustainability Pest and Diseases

What grub is that?

04/05/2023 admin 792 Views 0 Comments #Tree, Botanic gardens, Garden Design, gardening, horticultural, horticultural industry, landscape, landscape design, Ornamental trees, Shade Trees

By Denis Crawford

Insects that have life cycles of complete metamorphosis have larvae that come in a variety of forms.

A life cycle of complete metamorphosis (holometabolous) means hatching from an egg into a larval stage, then pupating, and later emerging as an adult.… Continue reading

This caterpillar has three pairs of true legs and four pairs of abdominal prolegs (Supplied by Denis Crawford of Graphic Science)

Environment & Sustainability Pest and Diseases

Identifying insects

10/04/2023 Denis Crawford 619 Views 0 Comments #Tree, Botanic gardens, Garden Design, gardening, horticultural, horticultural industry, landscape, landscape design, Ornamental trees, Shade Trees

Many insects are instantly recognisable but what do you do when you find an insect you’ve never seen before?

If I described an insect as having a triangular head with large eyes, spindly hind legs and grasping raptorial forelegs, I reckon most of you would have an image of a praying mantis in mind.… Continue reading